OpenGL: streamline font rendering

Ignore texture matrix in the shader, stop messing with texture matrix in BLF code.

Use linear screen-space interpolation instead of perspective.

Avoid redundant call to glMatrixMode.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/blender/gpu/shaders/gpu_shader_text_vert.glsl b/source/blender/gpu/shaders/gpu_shader_text_vert.glsl
index 8449c4229b3..72479401568 100644
--- a/source/blender/gpu/shaders/gpu_shader_text_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_text_vert.glsl
@@ -5,12 +5,12 @@
 // - generic attrib inputs (2D pos, tex coord)
 
 flat varying vec4 color;
-varying vec2 texcoord;
+noperspective varying vec2 texcoord;
 
 void main()
 {
 	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
 
 	color = gl_Color;
-	texcoord = (gl_TextureMatrix[0] * gl_MultiTexCoord0).st;
+	texcoord = gl_MultiTexCoord0.st;
 }